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MP28162 - Synchronous Buck-Boost Converter

General Description

The MP28162 is a high-efficiency, low quiescent current (IQ), buck-boost converter that operates from an input voltage (VIN) exceeding, below, or equal to the output voltage (VOUT).

Key Features

  • 1.8V Minimum Start-Up Input Voltage (VIN).
  • 1.2V to 5.5V Operating VIN Range.
  • 1.5V to 5.5V Output Voltage (VOUT) Range.
  • 1.5A Switching Current Limit.
  • 2MHz Fixed Switching Frequency (fREQ) or External Synchronous fREQ.
  • Selectable Pulse-Skip Mode or Pulse-Width Modulation (PWM) Mode.
  • 25μA Typical Quiescent Current (IQ).
  • Load Disconnect during Shutdown.
  • Internal Soft Start (SS) and Compensation.
  • Short-Circuit.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MP28162 High-Efficiency, Synchronous Buck-Boost Converter with 1.5A MOSFETs in a Small WLCSP Package DESCRIPTION The MP28162 is a high-efficiency, low quiescent current (IQ), buck-boost converter that operates from an input voltage (VIN) exceeding, below, or equal to the output voltage (VOUT). The device provides a compact solution for products powered by single-cell Li-ion or multicell alkaline batteries, where VOUT is within the battery voltage (VBATT) range. Current-mode control and the fixed pulse-width modulation (PWM) frequency provide optimal stability and transient response. The fixed 2MHz switching frequency (fREQ) and integrated, low on resistance (RDS(ON)) MOSFETs reduce the solution size and maintain high efficiency.